Police in Fairfield, New Hampshire, have charged Connor Dushay with supplying narcotics to the victim prior to the fatal overdose on Dec. 27. The death was caused by the combined effects of cocaine, fentanyl and alcohol. Dushday was arrested on March 19 and held in lieu of bail at $100,000. The case highlights the dangers of illicit drug use, particularly the presence of fentanyl, a highly potent substance often mixed with other drugs.